Icepak lock p icepak block icepak pcb the geometry remains the same, but the object options are different in icepak level 2 simplification already done structure tree icon is updated. View forum posts private message view blog entries view articles junior member level 1 join date mar 2005 posts. Flothermicepak comparison for electronic cooling cfd. Small and large companies alike rely on flotherm to perform their thermalfluid analysis confident of the return on their investment. Here at the mechanical analysis department we love flotherm and we love developing flotherm to ensure it keeps up with the needs and follows the trends of the electronic thermal simulation market. Note viewing pdf files within a web browser causes some links not to function. Icepak graphical user interface gui seems to be the achilles heel. Mentor graphics flotherm is powerful thermal analysis and tool with many advanced options and features. Hello does anybody know of the software flotherm and which is better between that and solidworks flow simulation for different applications.
Autocad dxf, intermediate data format idf, and flotherm eco files. The models offered are simplified to minimize simulation time. Mechanical and thermal design guidelines for lidless flip. Icepack vs flotherm computational fluid dynamics cfd. Cfd enables the product design team to reduce their risks of potential design failures, optimize modality. Use html for full navigation flotherm pack users guide software version 8. Download mentor graphics flotherm free all pc world. The big 3 a comparison of electronics cooling cfd software. Setting up a model in icepak considerably takes longer than flotherm. Steady state and transient thermalflow conduction convection radiation conjugate heat transfer ansys icepak velocity streamlines and temperature contours for a card array in a vme format box. Mentor graphics reserves the right to make changes in specifications and other information contained in this publication without prior notice, and the. Liquid cooling of bright leds for automotive applications yan lai1, nicolas cordero1, frank barthel2, frank tebbe2, jorg kuhn2, robert apfelbeck2, and dagmar wurtenberger2 1 tyndall national institute, cork, ireland 2 schefenacker vision systems gmbh, schwaikheim, germany abstract with the advances in the technology of materials based. February 25, 2014 robin bornoff articles, cfd software, electronics cooling blog, mentor graphics blog. Flotherm is a powerful 3d computational fluid dynamics software that predicts airflow and heat transfer in and around electronic equipment, including the coupled effects of conduction, convection and radiation.
It will take quite a bit of time before it becomes easy for you to use this or any other cfd program. We are still here for you online and by telephone, and our digital services and tib document delivery are available as usual. Haddad2 1school of the built environment, university of nottingham, nottingham ng7 2rd, uk 2nuventix inc. Yang 9 showed that both icepak and flotherm can yield accurate modelling. Flotherm and its new xml neutral file format robin bornoff. In order to prevent the further spread of the coronavirus, the tib is closed to the public. Computational fluid dynamics cfd is a technology based on a fast and reliable computational methodology for solving complex fluid flow and heat transfer problems.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. New techniques for chip and package thermal modeling. This is a pdf file of an unedited manuscript that has been accepted for publication. During this technical session, we will demonstrate how to build a thermal analysis model by using existing eda and cad information along with libraries. Precise mechanical design is vital to the optimum performance of programmable logic designs. Tutorial demonstrating how to export flotherm xt results to fea text. If you have extra time available, spend some time investigating other aspects of the program or add some new element to your project. I find the workflow between icepak and flotherm to be similar, however. Rules of thumb pcbs for printed circuit boards 3 cells in the 1st millimeter above the board 3 cells in the 1st millimeter below the board.
Flotherm pack is a mentor graphics webbased service that generates reliable, accurate thermal models of ic components, test boards, standard test harnesses and other associated parts with the minimum of effort. This allows a region of the model to have a finer mesh than the background parent mesh that it sits in. New techniques for chip and package thermal modeling, flomerics inc and gradient design automation codesign and data exchange standardscodesign and data exchange standards system pcb package chip. We have a csv reader macro which will help you convert the csv to icepak model. Search ansys training courses by discipline, product, level and location. Ic packages, printed circuit boards and complete electronic systems. Flotherm is powerful 3d simulation software for thermal design of electronic components and systems.
As a matter of fact, 19 out of the top 20 global electronics companies use flotherm for their product design and development. Flotherm is a commercially available computational fluid dynamics software package supplied by mentor graphics. Meshing does tend to be very manual and can be tedious however. It has helped industries to create virtual models of electronic. Still air chamber 12 x 12 x 12 closed container amkors closed loop wind tunnel is capable of controlling airflow from 50 to 1600 lpm and air temperature from 18c to 65c. Two candidates are flotherm from flomerics and icepack from ansys. Based on an siwave analysis, the dc power distribution profile can be imported into ansys icepak to account for heating due to copper resistive. Ats and engineering simulation software leader future facilities announced that ats had purchased multiple seats of 6sigmaet, an electronics thermal simulation software, adding to its cfd computational fluid dynamics capabilities. This document is for information and instruction purposes. Ctm standards for inapplication junction temperature prediction flotherm icepak coolit flopcb iceboard. A cfd analysis of an electronics cooling enclosure for. The flotherm community has traditionally handled this by sketching the part manually in flotherm with simpler objects with many small solid blocks to create a customized heat sink for example or by importing a solid model from an mcad tool. When prompted, name the model calibrationtutorial and wait for flotherm v11.
Mechanical analysis blog technical and industry topic discussions, thoughts, ideas and information. I was askedto look into advantages floworks has over flotherm. Please request icepak support for this macro if this is the route you want to pursue. Ansys icepak features based on a siwave simulation, the dc power distribution profile of printed circuit board layers can be imported into ansys icepak software for a thermal analysis of the board. Here is a part of a report i made for comparing icepak and flotherm for electronic cooling applications. Ansys icepak is an integrated electronics cooling solution for. The tunnel spatial uniformity of velocity is 1% of the mean value. In icepak it seems that convergence is more likely to achieve than in flotherm and in shorter time as well and it probably means that icepak has a more powerful solver. Most of our thermal analysis concentrateson small mechanical components. Flotherm or icepak or coolit which is the easiest to use.
Flotherm is a 3d computational fluid dynamics software that predicts airflow and heat transfer in and around electronic equipment, including the coupled effects of conduction, convection and radiation. Flotherm has enabled engineers to model electronics cooling for over 25 years. Icepack vs flotherm bigbboris mechanical op 25 mar 08 20. Flotherm xt is intended to bring electronics and mechanical design processes closer together through earlier thermal simulation. A comparison of using icepak and flotherm in electronic cooling.
Flotherm is the undisputed world leader for electronics thermal analysis, with a 98 percent user recommendation rating. Abstract this paper presents results of cfd analysis of an electronics cooling enclosure used as part. Formal and highlevel synthesis, siemens partners with arm on automotive electronics design. Flothermgriddingtoolsandrecommendation printed circuit. Simulation software is a good tool to reduce design cycles and prototypes. It supports more users, application examples, libraries and published technical papers than any competing product. Ansys icepak pre and post processors, together with. Are there any comparison charts that make selection easier. Flotherm users can write out a summary data that writes out objects, coordinates, size, etc. The coupling between siwave and ansys icepak software enables users to predict both. Our company is going to invest some money in cfd software for electronic packaging development on card and box level. A cfd analysis of an electronics cooling enclosure for application in telecommunication systems, applied thermal engineering 2010, doi.
Tworesistor compact thermal model guideline jesd153 page 1 tworesistor compact thermal model guideline from jedec board ballot jc15. Monica schnitger another fine mesh is a must for everyone interested in cfd. Does anybody know of the software flotherm and which is better between that and solidworks flow simulation for different applications. This is automatically taken care of in flotherm v8. Electronic products, and products that contain electronics, are typified by being constructed of 100s if not s of individual parts. Flotherm is the marketleading electronics cooling simulation software with more installed seats than all other electronics cooling cfd software. The accuracy of the results depend on the users inputs. Ansys icepak is an integrated electronics cooling solution for ic packages, printed circuit boards and complete electronic systems. It seems everything that was formerly the domain of mechanical design engineers, from dishwashers and toasters to car seats and sprinklers, now has an electronics element. Flotherm xtprogram for simulation of aerohydrodynamics and heat transfer processes for the problems of internal and external flow of liquids and gases, taking into account the impact of the joint thermal conductivity, convection and radiation. Try it out, but to follow along with the tutorial please use the provided default values. It has helped industries to create virtual models of electronic equipment, perform thermal analysis, and test design.
You may request your customer to generate an iges file for you. This application note discusses how the thermal models are created using simulation software packages and how to use these models. Ansys icepak provides interfaces to siwave and ansys mechanical products, thus providing access to a full suite of tools to address electrical, thermal and structural simulation requirements. Flotherm and its new xml neutral file format robin. Basically iwant to know when to use floworks and when to use flotherm. First, an example of natural convection transfer for a heat sink was performed, in. A web seminar on simcenter flotherm and simcenter flotherm xt 2019. Next, we will discuss how to solve and analyze the results in flotherm. Mentors flotherm xt and the electronification of design. Ansys icepak provides powerful electronic cooling solutions which utilize the industryleading ansys fluent computational fluid dynamics cfd solver for thermal and fluid flow analyses of integrated circuits ics, packages, printed circuit boards pcbs and electronic assemblies. Flotherm and its new xml neutral file format share this post share on twitter share on linkedin share on facebook we have recently published a new xml schema and associated xml reader for flotherm that offers some exciting new possibilities. Modify icepak object type in spaceclaim sometimes it makes sense to change the object type, some examples are.
The frst thermal study was conducted using icepak and flotherm to calculate heat transfer fiom an aluminum plate due to natural convection and forced convection turbulent flow, 300 fpm environment. Then you may use icepro to convert that to icepak model geometry. Whats new in simcenter flotherm and simcenter flotherm xt 2019. For over 25 years flotherm has been used by a huge customer base, including almost all the major bluechip electronics companies in the world. Which cfd tools are better for heatsink design and airflow prediction, flotherm or icepak or coolit which is the easiest to use. Thermal management of electronics using ansys icepak.
More generally, this rule is applicable to any surface with a significant amount of heat convecting off it. Flotherm and floefd which respectively are a dedicated electronic. A comparison of using icepak and flotherm in electronic. In post processing, apparently icepak gives user more options and flexibility than flotherm although lack of perspectives, still remains a big problem. Jan 16, 2017 download mentor graphics flotherm free, mentor graphics flotherm latest version, thermal analysis and simulation tool with cfd technology. The spreadsheet is fully functional, with the diagram updating to match the inputs. Flotherm has had a localized grid capability since v4. Comparison of using icepak and flotherm in electronic cooling. Pdml files allow the engineer to model the thermal performance of each heat sink. For example, by linking ansys siwave and icepak, the software can exchange power.
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